I think it’s should be on easy way better but it does what type it does and
Answer:
The United States needed a close enough military base, to plan and execute a full invasion of the Japanese mainland.
Explanation:
Okinawa stood in a strategic position in the Pacific Ocean. Its proximity to Japan provided a good spot of the United States and the Allies to set up a military base to plan a full out invasion of Japan.
From Okinawa, the U.S had a close enough range to deploy their warplanes and also transport their full artillery and since Okinawa was not landlocked, the United States could easily bring in supplies and reinforcements through the Pacific for the battle against Japan.
Answers: B. C. and D.
Hope I helped! Have a great day and remember Jesus is alive and loves you for who you are! :)